ASTM B 731 Precious metals and Alloys

Material group: Nonferrous Alloys / Precious metals and Alloys
Country / Standard: United States / ASTM

Data updates

Latest Update: 2022-09
Total number of updates: 2
Update History
2018-11

This material has 51 properties — only a subset is shown here.

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ASTM B 731 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ag
VALUE
39.1 – 40.5
UNIT
%
CAS NUMBER
7440-22-4
CRITERIA
Al
VALUE
≤ 0.01
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Au+Ir+Os+Pt+Rh+Ru
VALUE
≤ 0.2
UNIT
%
CAS NUMBER
CRITERIA
B
VALUE
val1
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UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
Ca
VALUE
val1
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UNIT
%
CAS NUMBER
7440-70-2
CRITERIA
Cd
VALUE
val1
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UNIT
%
CAS NUMBER
7440-43-9
CRITERIA
Co
VALUE
val1
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UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
In
VALUE
val1
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UNIT
%
CAS NUMBER
7440-74-6
CRITERIA
Mg
VALUE
val1
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UNIT
%
CAS NUMBER
7439-95-4
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
Pd
VALUE
val1
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UNIT
%
CAS NUMBER
7440-05-3
CRITERIA
Sb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-36-0
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Sn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-31-5
CRITERIA
Te
VALUE
val1
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UNIT
%
CAS NUMBER
13494-80-9
CRITERIA
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

B731: 1996 / 60% Palladium-40% Silver Electrical Contact Material

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ASTM B 731 Physical Properties

Temperature

PROPERTY / VALUE
Electrical Resistivity
0.431 Ω∙mm²/m
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Density
11.35 kg/dm³
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Electrical Conductivity
val1
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S/m
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Melting Temperature
1290 — 1340 °C
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This material has 51 properties — only a subset is shown here.

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ASTM B 731 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
275 — 827 MPa
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Elongation, A
≥ 1 %
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Reduction of Area
11 — 60 %
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  • -Cross References
  • 23Composition
  • 24Mechanical Properties
  • 4Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability
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